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Alex, who's on the frontline against the deadly bug as an NHS doctor at a Lewisham hospital, posted a selfie with two colleagues beside an ambulance, urging unity, positive-thinking, and to "keep smiling."

"Yes things are uncertain and times are tough," he admitted, "But we do this TOGETHER with POSITIVITY.

"We do not let coronavirus take our spirit. Keep smiling and stay strong."

In a previous post, he reminded followers to take care of their mental health as the country-wide lockdown continues.

"MENTAL RESILIENCE is so important at this time," Dr Alex wrote, "All of us are being tested to our limits in various ways.